Cisco UCS 6100 Series Fabric Interconnect Hardware Installation Guide - Connecting the Cisco UCS 6100 Series Fabric Interconnect [Cisco UCS 6100 Series Fabric Interconnects]

Table Of Contents

Connecting the Cisco UCS 6100 Series Fabric Interconnect

Preparing for Network Connections

Connecting to the Console Port

Connecting to the Ethernet Connector Port

Connecting to an Ethernet Port

Installing or Removing SFP+ Transceivers

Installing a Transceiver

Removing a Transceiver

Installing or Removing Cables into SFP or SFP+ Transceivers

Installing a Cable into a Transceiver

Removing a Cable from a Transceiver

Maintaining Transceivers and Cables

Connecting to a Fibre Channel Port

Installing or Removing SFP Transceivers

Installing an SFP Transceiver

Removing an SFP Transceiver

Installing or Removing Cables into SFP Transceivers

Installing a Cable into an SFP Transceiver

Removing a Cable from an SFP Transceiver

Maintaining SFP Transceivers and Fiber-Optic Cables

Connecting the Cisco UCS 6100 Series Fabric Interconnect

The Cisco UCS 6100 Series Fabric Interconnect provides the following types of ports:

•RS-232 port—create a local management connection.

•Ethernet ports, encrypted and unencrypted—to connect to a LAN.

•Fibre Channel ports—connect to a SAN.

This chapter includes the following sections:

•Preparing for Network Connections

•Connecting to the Console Port

•Connecting to the Ethernet Connector Port

•Connecting to an Ethernet Port

•Connecting to a Fibre Channel Port

Preparing for Network Connections

When preparing your site for network connections to the Cisco UCS 6100 Series Fabric Interconnect, consider the following for each type of interface, and gather all the required equipment before connecting the ports:

•Cabling required for each interface type

•Distance limitations for each signal type

•Additional interface equipment required

Connecting to the Console Port

The console port is an RS-232 port with an RJ-45 interface. (See Figure 3-1.) The console port is an asynchronous (async) serial port; any device connected to this port must be capable of asynchronous transmission.

We recommend using this port to create a local management connection to set the IP address and other initial configuration settings before connecting the system to the network for the first time.

Caution You can use the console port to connect to a modem. If you do not connect it to a modem, connect it either before powering on the system or after the system has completed the boot process.

Figure 3-1 shows how to connect to the console port on the Cisco UCS 6120XP. Figure 3-2 shows how to connect to the console port on the Cisco UCS 6140XP.

Figure 3-1 Connecting to the Console Port on a Cisco UCS 6120XP

Figure 3-2 Connecting to the Console Port on a Cisco UCS 6140XP

You can use the console port to perform the following:

•Configure the Cisco UCS 6100 Series Fabric Interconnect from the CLI.

•Monitor network statistics and errors.

•Configure SNMP agent parameters.

•Download software updates.

Note To connect the console port to a computer terminal, the computer must support VT100 terminal emulation. The terminal emulation software (frequently an application such as HyperTerminal or Procomm Plus) makes communication between the Cisco UCS 6100 Series Fabric Interconnect and a computer possible during setup and configuration.

To connect the console port to a computer terminal, follow these steps:

Step 1 Configure the terminal emulator program to match the following default port characteristics: 9600 baud, 8 data bits, 1 stop bit, no parity.

Step 2 Connect the RJ-45 connector of the console cable to the console port (see Figure 3-1) and the DB-9 connector to the computer serial port.

Note For configuration instructions, see the Cisco UCS Manager CLI Configuration Guide.

Connecting to the Ethernet Connector Port

Caution To prevent an IP address conflict, do not connect the management port to the network until the initial configuration is complete. For configuration instructions, see the Cisco UCS Manager GUI Configuration Guide.

The Ethernet connector port has an RJ-45 interface.

To connect the Ethernet connector port to an external hub, switch, or router, follow these steps:

Step 1 Connect the appropriate modular cable to the Ethernet connector port:

•Use modular, RJ-45, straight-through UTP cables to connect the Ethernet connector port to an Ethernet switch port or hub.

•Use a cross-over cable to connect to a router interface.

Step 2 Connect the other end of the cable to the device.

Connecting to an Ethernet Port

Use an SFP+ transceiver to connect to an Ethernet port.

This section includes the following topics:

•Installing or Removing SFP+ Transceivers

•Installing or Removing Cables into SFP or SFP+ Transceivers

•Maintaining Transceivers and Cables

Installing or Removing SFP+ Transceivers

Caution Excessively installing and removing an SFP or SFP+ transceiver can shorten its life. Do not remove and install transceivers unless it is absolutely necessary. We recommend disconnecting cables before installing or removing transceivers to prevent damage to the cable or transceiver.

This section describes installing and removing transceivers.

This section includes the following topics:

•Installing a Transceiver

•Removing a Transceiver

Installing a Transceiver

To install a transceiver, follow these steps:

Step 1 Attach an ESD wrist strap and follow its instructions for use.

Step 2 Remove the dust cover from the port cage.

Step 3 Remove the dust cover from the port end of the transceiver.

Step 4 Insert the transceiver into the port:

•If the transceiver has a Mylar tab, position the transceiver with the tab on the bottom, and then gently insert the transceiver into the port until it clicks into place.

•If the transceiver has a bale clasp, position the transceiver with the clasp on the bottom, close the clasp by pushing it up over the transceiver, and then gently insert the transceiver into the port until it clicks into place.

Caution If the transceiver does not install easily, ensure that it is correctly positioned and the tab or clasp are in the correct position before continuing.

Note If you cannot install the cable into the transceiver, insert or leave the dust plug in the cable end of the transceiver.

Removing a Transceiver

To remove an SFP+ transceiver, follow these steps:

Step 1 Attach an ESD wrist strap and follow its instructions for use.

Step 2 If a cable is installed in the transceiver:

a. Record the cable and port connections for later reference.

b. Press the release latch on the cable, grasp the connector near the connection point, and gently pull the connector from the transceiver.

c. Insert a dust plug into the cable end of the transceiver.

Caution If the transceiver does not remove easily in the next step, push the transceiver completely in and then ensure that the latch is in the correct position before continuing.

Step 3 Remove the transceiver from the port:

•If the transceiver has a Mylar tab latch, gently pull the tab straight out (do not twist), and then pull the transceiver out of the port.

•If the transceiver has a bale clasp latch, open the clasp by pressing it downwards, and then pull the transceiver out of the port.

Note If you cannot remove the SFP+ transceiver, reseat it by returning the bale clasp to the up position. Press the SFP+ transceiver inward and upward into the cage. Next, lower the bale clasp and pull the SFP+ transceiver straight out with a slight upward lifting force. Be careful not to damage the port cage during this process.

Step 4 Insert a dust cover into the port end of the transceiver and place the transceiver on an antistatic mat or into a static shielding bag if you plan to return it to the factory.

Step 5 If another transceiver is not being installed, protect the optical cage by inserting a clean cover.

Installing or Removing Cables into SFP or SFP+ Transceivers

Caution To prevent damage to the copper cables, do not place more tension on them than the rated limit and do not bend to a radius of less than 1 inch if there is no tension in the cable, or 2 inches if there is tension in the cable.

This section includes the following topics:

•Installing a Cable into a Transceiver

•Removing a Cable from a Transceiver

Installing a Cable into a Transceiver

Caution To prevent possible damage to the cable or transceiver, install the transceiver in the port before installing the cable in the transceiver.

To install a cable into a transceiver, follow these steps:

Step 1 Attach an ESD wrist strap and follow its instructions for use.

Step 2 Remove the dust cover from the connector on the cable.

Step 3 Remove the dust cover from the cable end of the transceiver.

Step 4 Align the cable connector with the transceiver and insert the connector into the transceiver until it clicks into place.

Caution If the cable does not install easily, ensure that it is correctly positioned before continuing.

For instructions on verifying connectivity, see the Cisco UCS Manager GUI Configuration Guide.

Removing a Cable from a Transceiver

Caution When pulling a cable from a transceiver, grip the body of the connector. Do not pull on the jacket sleeve, because this action can compromise the fiber-optic termination in the connector.

Caution If the cable does not remove easily, ensure that any latch present on the cable has been released before continuing.

To remove the cable, follow these steps:

Step 1 Attach an ESD wrist strap and follow its instructions for use.

Step 2 Press the release latch on the cable, grasp the connector near the connection point, and gently pull the connector from the transceiver.

Step 3 Insert a dust plug into the cable end of the transceiver.

Step 4 Insert a dust plug onto the end of the cable.

Maintaining Transceivers and Cables

SFP+ transceivers must be kept clean and dust-free to maintain high signal accuracy and prevent damage to the connectors. Attenuation (loss of light) is increased by contamination and should be below 0.35 dB.

Consider the following maintenance guidelines:

•SFP+ transceivers are static sensitive. To prevent ESD damage, wear an ESD wrist strap that is connected to the chassis.

•Do not remove and install transceivers more often than is necessary. Repeated removals and installations can shorten its useful life.

•Keep all optical connections covered when not in use. If they become dusty, clean before using to prevent dust from scratching the fiber-optic cable ends.

•Do not touch ends of connectors to prevent fingerprints and other contamination.

•Clean regularly; the required frequency of cleaning depends upon the environment. In addition, clean connectors if they are exposed to dust or accidentally touched. Both wet and dry cleaning techniques can be effective; refer to fiber-optic cleaning procedures for your site.

•Inspect routinely for dust and damage. If damage is suspected, clean and then inspect fiber ends under a microscope to determine if damage has occurred.

Connecting to a Fibre Channel Port

Use an SFP transceiver to connect to an Fibre Channel port.

This section includes the following topics:

•Installing or Removing SFP Transceivers

•Installing or Removing Cables into SFP Transceivers

•Maintaining SFP Transceivers and Fiber-Optic Cables

Installing or Removing SFP Transceivers

Caution Excessively removing and installing an SFP transceiver can shorten its life. Do not remove and install transceivers more often than necessary. We recommend that you disconnect cables before installing or removing SFP transceivers to prevent damage to the cable or transceiver.

This section describes the proper method for installing and removing an SFP transceiver.

This section includes the following topics:

•Installing an SFP Transceiver

•Removing an SFP Transceiver

Installing an SFP Transceiver

To install an SFP transceiver, follow these steps:

Step 1 Attach an ESD wrist strap and follow its instructions for use.

Step 2 Remove the dust cover from the port cage.

Step 3 Remove the dust cover from the port end of the transceiver.

Step 4 Insert the transceiver into the port:

•If the transceiver has a Mylar tab, position the transceiver with the tab on the bottom, and then gently insert the transceiver into the port until it clicks into place.

•If the transceiver has a bale clasp, position the transceiver with the clasp on the bottom, close the clasp by pushing it up over the transceiver, and then gently insert the transceiver into the port until it clicks into place.

Caution If the transceiver does not install easily, ensure that it is correctly positioned and the tab or clasp are in the correct position before continuing.

Note If you cannot install the cable into the transceiver, insert or leave the dust plug in the cable end of the transceiver.

Removing an SFP Transceiver

To remove an SFP transceiver, follow these steps:

Step 1 Attach an ESD wrist strap and follow its instructions for use.

Step 2 If a cable is installed in the transceiver:

a. Record the cable and port connections for later reference.

b. Press the release latch on the cable, grasp the connector near the connection point, and gently pull the connector from the transceiver.

c. Insert a dust plug into the cable end of the transceiver.

Caution If the transceiver does not remove easily in the next step, push the transceiver completely in and then ensure that the latch is in the correct position before continuing.

Step 3 Remove the transceiver from the port:

•If the transceiver has a Mylar tab latch, gently pull the tab straight out (do not twist), and then pull the transceiver out of the port.

•If the transceiver has a bale clasp latch, open the clasp by pressing it downwards, and then pull the transceiver out of the port.

Note If you have difficulty removing a bale clasp SFP transceiver, reseat the SFP by returning the bale clasp to the up position. Press the SFP inward and upward into the cage. Next, lower the bale clasp and pull the SFP straight out with a slight upward lifting force (see Figure 3-3). Be careful not to damage the port cage during this process.

Figure 3-3 Alternate Removal Method for Bale Clasp SFP Transceivers

Step 4 Insert a dust cover into the port end of the transceiver and place the transceiver on an antistatic mat or into a static-shielding bag if you plan to return it to the factory.

Step 5 If another transceiver is not being installed, protect the optical cage by inserting a clean cover.

Installing or Removing Cables into SFP Transceivers

Caution To prevent damage to the fiber-optic cables, do not place more tension on them than the rated limit and do not bend to a radius of less than 1 inch if there is no tension in the cable, or 2 inches if there is tension in the cable.

This section includes the following topics:

•Installing a Cable into an SFP Transceiver

•Removing a Cable from an SFP Transceiver

Installing a Cable into an SFP Transceiver

Caution To prevent possible damage to the cable or transceiver, install the transceiver in the port before installing the cable in the transceiver.

To install a cable into a transceiver, follow these steps:

Step 1 Attach an ESD wrist strap and follow its instructions for use.

Step 2 Remove the dust cover from the connector on the cable.

Step 3 Remove the dust cover from the cable end of the transceiver.

Step 4 Align the cable connector with the transceiver and insert the connector into the transceiver until it clicks into place.

Caution If the cable does not install easily, ensure that it is correctly positioned before continuing.

For instructions on verifying connectivity, see the Cisco UCS Manager CLI Configuration Guide.

Removing a Cable from an SFP Transceiver

Caution When pulling a cable from a transceiver, grip the body of the connector. Do not pull on the jacket sleeve, because this action can compromise the fiber-optic termination in the connector.

Caution If the cable does not remove easily, ensure that any latch present on the cable has been released before continuing.

To remove the cable, follow these steps:

Step 1 Attach an ESD wrist strap and follow its instructions for use.

Step 2 Press the release latch on the cable, grasp the connector near the connection point, and gently pull the connector from the transceiver.

Step 3 Insert a dust plug into the cable end of the transceiver.

Step 4 Insert a dust plug onto the end of the cable.

Maintaining SFP Transceivers and Fiber-Optic Cables

SFP transceivers and fiber-optic cables must be kept clean and dust-free to maintain high signal accuracy and prevent damage to the connectors. Attenuation (loss of light) is increased by contamination and should be below 0.35 dB.

Consider the following maintenance guidelines:

•SFP transceivers are static sensitive. To prevent ESD damage, wear an ESD wrist strap that is connected to the chassis.

•Do not remove and insert a transceiver more often than is necessary. Repeated removals and installation can shorten its useful life.

•Keep all optical connections covered when not in use. If they become dusty, clean before using to prevent dust from scratching the fiber-optic cable ends.

•Do not touch ends of connectors to prevent fingerprints and other contamination.

•Clean regularly; the required frequency of cleaning depends upon the environment. In addition, clean connectors if they are exposed to dust or accidentally touched. Both wet and dry cleaning techniques can be effective; refer to fiber-optic cleaning procedures for your site.

•Inspect routinely for dust and damage. If damage is suspected, clean and then inspect fiber ends under a microscope to determine if damage has occurred.

	Cisco UCS 6100 Series Fabric Interconnect Hardware Installation Guide
	Connecting the Cisco UCS 6100 Series Fabric Interconnect
Cisco UCS 6100 Series Fabric Interconnect Hardware Installation Guide Index Preface Product Overview Installing the Cisco UCS 6100 Series Fabric Interconnect Connecting the Cisco UCS 6100 Series Fabric Interconnect Technical Specifications Cable and Port Specifications Site Planning Records Troubleshooting Hardware Components	Download this chapter Connecting the Cisco UCS 6100 Series Fabric Interconnect Download the complete book 6100 Fabric Interconnect Install Guide (PDF - 6 MB) Feedback Table Of Contents Connecting the Cisco UCS 6100 Series Fabric Interconnect Preparing for Network Connections Connecting to the Console Port Connecting to the Ethernet Connector Port Connecting to an Ethernet Port Installing or Removing SFP+ Transceivers Installing a Transceiver Removing a Transceiver Installing or Removing Cables into SFP or SFP+ Transceivers Installing a Cable into a Transceiver Removing a Cable from a Transceiver Maintaining Transceivers and Cables Connecting to a Fibre Channel Port Installing or Removing SFP Transceivers Installing an SFP Transceiver Removing an SFP Transceiver Installing or Removing Cables into SFP Transceivers Installing a Cable into an SFP Transceiver Removing a Cable from an SFP Transceiver Maintaining SFP Transceivers and Fiber-Optic Cables Connecting the Cisco UCS 6100 Series Fabric Interconnect The Cisco UCS 6100 Series Fabric Interconnect provides the following types of ports: •RS-232 port—create a local management connection. •Ethernet ports, encrypted and unencrypted—to connect to a LAN. •Fibre Channel ports—connect to a SAN. This chapter includes the following sections: •Preparing for Network Connections •Connecting to the Console Port •Connecting to the Ethernet Connector Port •Connecting to an Ethernet Port •Connecting to a Fibre Channel Port Preparing for Network Connections When preparing your site for network connections to the Cisco UCS 6100 Series Fabric Interconnect, consider the following for each type of interface, and gather all the required equipment before connecting the ports: •Cabling required for each interface type •Distance limitations for each signal type •Additional interface equipment required Connecting to the Console Port The console port is an RS-232 port with an RJ-45 interface. (See Figure 3-1.) The console port is an asynchronous (async) serial port; any device connected to this port must be capable of asynchronous transmission. We recommend using this port to create a local management connection to set the IP address and other initial configuration settings before connecting the system to the network for the first time. Caution You can use the console port to connect to a modem. If you do not connect it to a modem, connect it either before powering on the system or after the system has completed the boot process. Figure 3-1 shows how to connect to the console port on the Cisco UCS 6120XP. Figure 3-2 shows how to connect to the console port on the Cisco UCS 6140XP. Figure 3-1 Connecting to the Console Port on a Cisco UCS 6120XP Figure 3-2 Connecting to the Console Port on a Cisco UCS 6140XP You can use the console port to perform the following: •Configure the Cisco UCS 6100 Series Fabric Interconnect from the CLI. •Monitor network statistics and errors. •Configure SNMP agent parameters. •Download software updates. Note To connect the console port to a computer terminal, the computer must support VT100 terminal emulation. The terminal emulation software (frequently an application such as HyperTerminal or Procomm Plus) makes communication between the Cisco UCS 6100 Series Fabric Interconnect and a computer possible during setup and configuration. To connect the console port to a computer terminal, follow these steps: Step 1 Configure the terminal emulator program to match the following default port characteristics: 9600 baud, 8 data bits, 1 stop bit, no parity. Step 2 Connect the RJ-45 connector of the console cable to the console port (see Figure 3-1) and the DB-9 connector to the computer serial port. Note For configuration instructions, see the Cisco UCS Manager CLI Configuration Guide. Connecting to the Ethernet Connector Port Caution To prevent an IP address conflict, do not connect the management port to the network until the initial configuration is complete. For configuration instructions, see the Cisco UCS Manager GUI Configuration Guide. The Ethernet connector port has an RJ-45 interface. To connect the Ethernet connector port to an external hub, switch, or router, follow these steps: Step 1 Connect the appropriate modular cable to the Ethernet connector port: •Use modular, RJ-45, straight-through UTP cables to connect the Ethernet connector port to an Ethernet switch port or hub. •Use a cross-over cable to connect to a router interface. Step 2 Connect the other end of the cable to the device. Connecting to an Ethernet Port Use an SFP+ transceiver to connect to an Ethernet port. This section includes the following topics: •Installing or Removing SFP+ Transceivers •Installing or Removing Cables into SFP or SFP+ Transceivers •Maintaining Transceivers and Cables Installing or Removing SFP+ Transceivers Caution Excessively installing and removing an SFP or SFP+ transceiver can shorten its life. Do not remove and install transceivers unless it is absolutely necessary. We recommend disconnecting cables before installing or removing transceivers to prevent damage to the cable or transceiver. This section describes installing and removing transceivers. This section includes the following topics: •Installing a Transceiver •Removing a Transceiver Installing a Transceiver To install a transceiver, follow these steps: Step 1 Attach an ESD wrist strap and follow its instructions for use. Step 2 Remove the dust cover from the port cage. Step 3 Remove the dust cover from the port end of the transceiver. Step 4 Insert the transceiver into the port: •If the transceiver has a Mylar tab, position the transceiver with the tab on the bottom, and then gently insert the transceiver into the port until it clicks into place. •If the transceiver has a bale clasp, position the transceiver with the clasp on the bottom, close the clasp by pushing it up over the transceiver, and then gently insert the transceiver into the port until it clicks into place. Caution If the transceiver does not install easily, ensure that it is correctly positioned and the tab or clasp are in the correct position before continuing. Note If you cannot install the cable into the transceiver, insert or leave the dust plug in the cable end of the transceiver. Removing a Transceiver To remove an SFP+ transceiver, follow these steps: Step 1 Attach an ESD wrist strap and follow its instructions for use. Step 2 If a cable is installed in the transceiver: a. Record the cable and port connections for later reference. b. Press the release latch on the cable, grasp the connector near the connection point, and gently pull the connector from the transceiver. c. Insert a dust plug into the cable end of the transceiver. Caution If the transceiver does not remove easily in the next step, push the transceiver completely in and then ensure that the latch is in the correct position before continuing. Step 3 Remove the transceiver from the port: •If the transceiver has a Mylar tab latch, gently pull the tab straight out (do not twist), and then pull the transceiver out of the port. •If the transceiver has a bale clasp latch, open the clasp by pressing it downwards, and then pull the transceiver out of the port. Note If you cannot remove the SFP+ transceiver, reseat it by returning the bale clasp to the up position. Press the SFP+ transceiver inward and upward into the cage. Next, lower the bale clasp and pull the SFP+ transceiver straight out with a slight upward lifting force. Be careful not to damage the port cage during this process. Step 4 Insert a dust cover into the port end of the transceiver and place the transceiver on an antistatic mat or into a static shielding bag if you plan to return it to the factory. Step 5 If another transceiver is not being installed, protect the optical cage by inserting a clean cover. Installing or Removing Cables into SFP or SFP+ Transceivers Caution To prevent damage to the copper cables, do not place more tension on them than the rated limit and do not bend to a radius of less than 1 inch if there is no tension in the cable, or 2 inches if there is tension in the cable. This section includes the following topics: •Installing a Cable into a Transceiver •Removing a Cable from a Transceiver Installing a Cable into a Transceiver Caution To prevent possible damage to the cable or transceiver, install the transceiver in the port before installing the cable in the transceiver. To install a cable into a transceiver, follow these steps: Step 1 Attach an ESD wrist strap and follow its instructions for use. Step 2 Remove the dust cover from the connector on the cable. Step 3 Remove the dust cover from the cable end of the transceiver. Step 4 Align the cable connector with the transceiver and insert the connector into the transceiver until it clicks into place. Caution If the cable does not install easily, ensure that it is correctly positioned before continuing. For instructions on verifying connectivity, see the Cisco UCS Manager GUI Configuration Guide. Removing a Cable from a Transceiver Caution When pulling a cable from a transceiver, grip the body of the connector. Do not pull on the jacket sleeve, because this action can compromise the fiber-optic termination in the connector. Caution If the cable does not remove easily, ensure that any latch present on the cable has been released before continuing. To remove the cable, follow these steps: Step 1 Attach an ESD wrist strap and follow its instructions for use. Step 2 Press the release latch on the cable, grasp the connector near the connection point, and gently pull the connector from the transceiver. Step 3 Insert a dust plug into the cable end of the transceiver. Step 4 Insert a dust plug onto the end of the cable. Maintaining Transceivers and Cables SFP+ transceivers must be kept clean and dust-free to maintain high signal accuracy and prevent damage to the connectors. Attenuation (loss of light) is increased by contamination and should be below 0.35 dB. Consider the following maintenance guidelines: •SFP+ transceivers are static sensitive. To prevent ESD damage, wear an ESD wrist strap that is connected to the chassis. •Do not remove and install transceivers more often than is necessary. Repeated removals and installations can shorten its useful life. •Keep all optical connections covered when not in use. If they become dusty, clean before using to prevent dust from scratching the fiber-optic cable ends. •Do not touch ends of connectors to prevent fingerprints and other contamination. •Clean regularly; the required frequency of cleaning depends upon the environment. In addition, clean connectors if they are exposed to dust or accidentally touched. Both wet and dry cleaning techniques can be effective; refer to fiber-optic cleaning procedures for your site. •Inspect routinely for dust and damage. If damage is suspected, clean and then inspect fiber ends under a microscope to determine if damage has occurred. Connecting to a Fibre Channel Port Use an SFP transceiver to connect to an Fibre Channel port. This section includes the following topics: •Installing or Removing SFP Transceivers •Installing or Removing Cables into SFP Transceivers •Maintaining SFP Transceivers and Fiber-Optic Cables Installing or Removing SFP Transceivers Caution Excessively removing and installing an SFP transceiver can shorten its life. Do not remove and install transceivers more often than necessary. We recommend that you disconnect cables before installing or removing SFP transceivers to prevent damage to the cable or transceiver. This section describes the proper method for installing and removing an SFP transceiver. This section includes the following topics: •Installing an SFP Transceiver •Removing an SFP Transceiver Installing an SFP Transceiver To install an SFP transceiver, follow these steps: Step 1 Attach an ESD wrist strap and follow its instructions for use. Step 2 Remove the dust cover from the port cage. Step 3 Remove the dust cover from the port end of the transceiver. Step 4 Insert the transceiver into the port: •If the transceiver has a Mylar tab, position the transceiver with the tab on the bottom, and then gently insert the transceiver into the port until it clicks into place. •If the transceiver has a bale clasp, position the transceiver with the clasp on the bottom, close the clasp by pushing it up over the transceiver, and then gently insert the transceiver into the port until it clicks into place. Caution If the transceiver does not install easily, ensure that it is correctly positioned and the tab or clasp are in the correct position before continuing. Note If you cannot install the cable into the transceiver, insert or leave the dust plug in the cable end of the transceiver. Removing an SFP Transceiver To remove an SFP transceiver, follow these steps: Step 1 Attach an ESD wrist strap and follow its instructions for use. Step 2 If a cable is installed in the transceiver: a. Record the cable and port connections for later reference. b. Press the release latch on the cable, grasp the connector near the connection point, and gently pull the connector from the transceiver. c. Insert a dust plug into the cable end of the transceiver. Caution If the transceiver does not remove easily in the next step, push the transceiver completely in and then ensure that the latch is in the correct position before continuing. Step 3 Remove the transceiver from the port: •If the transceiver has a Mylar tab latch, gently pull the tab straight out (do not twist), and then pull the transceiver out of the port. •If the transceiver has a bale clasp latch, open the clasp by pressing it downwards, and then pull the transceiver out of the port. Note If you have difficulty removing a bale clasp SFP transceiver, reseat the SFP by returning the bale clasp to the up position. Press the SFP inward and upward into the cage. Next, lower the bale clasp and pull the SFP straight out with a slight upward lifting force (see Figure 3-3). Be careful not to damage the port cage during this process. Figure 3-3 Alternate Removal Method for Bale Clasp SFP Transceivers Step 4 Insert a dust cover into the port end of the transceiver and place the transceiver on an antistatic mat or into a static-shielding bag if you plan to return it to the factory. Step 5 If another transceiver is not being installed, protect the optical cage by inserting a clean cover. Installing or Removing Cables into SFP Transceivers Caution To prevent damage to the fiber-optic cables, do not place more tension on them than the rated limit and do not bend to a radius of less than 1 inch if there is no tension in the cable, or 2 inches if there is tension in the cable. This section includes the following topics: •Installing a Cable into an SFP Transceiver •Removing a Cable from an SFP Transceiver Installing a Cable into an SFP Transceiver Caution To prevent possible damage to the cable or transceiver, install the transceiver in the port before installing the cable in the transceiver. To install a cable into a transceiver, follow these steps: Step 1 Attach an ESD wrist strap and follow its instructions for use. Step 2 Remove the dust cover from the connector on the cable. Step 3 Remove the dust cover from the cable end of the transceiver. Step 4 Align the cable connector with the transceiver and insert the connector into the transceiver until it clicks into place. Caution If the cable does not install easily, ensure that it is correctly positioned before continuing. For instructions on verifying connectivity, see the Cisco UCS Manager CLI Configuration Guide. Removing a Cable from an SFP Transceiver Caution When pulling a cable from a transceiver, grip the body of the connector. Do not pull on the jacket sleeve, because this action can compromise the fiber-optic termination in the connector. Caution If the cable does not remove easily, ensure that any latch present on the cable has been released before continuing. To remove the cable, follow these steps: Step 1 Attach an ESD wrist strap and follow its instructions for use. Step 2 Press the release latch on the cable, grasp the connector near the connection point, and gently pull the connector from the transceiver. Step 3 Insert a dust plug into the cable end of the transceiver. Step 4 Insert a dust plug onto the end of the cable. Maintaining SFP Transceivers and Fiber-Optic Cables SFP transceivers and fiber-optic cables must be kept clean and dust-free to maintain high signal accuracy and prevent damage to the connectors. Attenuation (loss of light) is increased by contamination and should be below 0.35 dB. Consider the following maintenance guidelines: •SFP transceivers are static sensitive. To prevent ESD damage, wear an ESD wrist strap that is connected to the chassis. •Do not remove and insert a transceiver more often than is necessary. Repeated removals and installation can shorten its useful life. •Keep all optical connections covered when not in use. If they become dusty, clean before using to prevent dust from scratching the fiber-optic cable ends. •Do not touch ends of connectors to prevent fingerprints and other contamination. •Clean regularly; the required frequency of cleaning depends upon the environment. In addition, clean connectors if they are exposed to dust or accidentally touched. Both wet and dry cleaning techniques can be effective; refer to fiber-optic cleaning procedures for your site. •Inspect routinely for dust and damage. If damage is suspected, clean and then inspect fiber ends under a microscope to determine if damage has occurred.
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